! Started logfile: .//J2251-3827_C_dfm.log on Mon Jan 20 19:22:59 2020 float field_size field_size = 1024 float field_cell field_cell = 0.3000 float taper_size taper_size = 40.0 float freq freq = 4.12800 obs .//J2251-3827_C_uva.fits ! Reading UV FITS file: .//J2251-3827_C_uva.fits ! AN table 1: 17 integrations on 6 of 6 possible baselines. ! Apparent sampling: 1 visibilities/baseline/integration-bin. ! Found source: J2251-3827 ! ! There are 8 IFs, and a total of 8 channels: ! ! IF Channel Frequency Freq offset Number of Overall IF ! origin at origin per channel channels bandwidth ! ------------------------------------------------------------- (Hz) ! 01 1 4.128e+09 3.2e+07 1 3.2e+07 ! 02 2 4.16e+09 3.2e+07 1 3.2e+07 ! 03 3 4.192e+09 3.2e+07 1 3.2e+07 ! 04 4 4.224e+09 3.2e+07 1 3.2e+07 ! 05 5 4.416e+09 3.2e+07 1 3.2e+07 ! 06 6 4.512e+09 3.2e+07 1 3.2e+07 ! 07 7 4.544e+09 3.2e+07 1 3.2e+07 ! 08 8 4.576e+09 3.2e+07 1 3.2e+07 ! ! Polarization(s): RR ! ! Read 67 lines of history. ! ! Reading 816 visibilities. select rr, 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 ! Restricting channel ranges to the available 8 channels. ! Selecting polarization: RR, channels: 1..8 ! Reading IF 1 channels: 1..1 ! Reading IF 2 channels: 2..2 ! Reading IF 3 channels: 3..3 ! Reading IF 4 channels: 4..4 ! Reading IF 5 channels: 5..5 ! Reading IF 6 channels: 6..6 ! Reading IF 7 channels: 7..7 ! Reading IF 8 channels: 8..8 print "field_size =", field_size ! field_size = 1024 print "field_cell =", field_cell ! field_cell = 0.3 print "taper_size =", taper_size ! taper_size = 40 ![@/opt64/bin/pima_mupet_01.dfm J2251-3827_C] float lim_self lim_self = 120.0 float lim_val lim_va = 1.2 integer clean_niter clean_niter = 100 float clean_gain clean_gain = 0.03 float dynam dynam = 6.0 float soltime1 soltime1 = 120 float soltime2 soltime2 = 20 float thresh thresh = 0.5 float win_mult win_mult = 1.8 float time_av time_av = 16 float old_peak float new_peak float flux_cutoff print "===============================================================" ! =============================================================== ! print "=== Difmap script: pima_mupet_01.dvm version of 2016.05.19 === " ! === Difmap script: pima_mupet_01.dvm version of 2016.05.19 === ! mapsize field_size, field_cell ! Map grid = 1024x1024 pixels with 0.300x0.300 milli-arcsec cellsize. startmod ! Applying default point source starting model. ! Performing phase self-cal ! Adding 1 model components to the UV plane model. ! The established model now contains 1 components and 1 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=1.005896Jy sigma=13.261808 ! Fit after self-cal, rms=0.944557Jy sigma=12.420369 ! clrmod: Cleared the established, tentative and continuum models. ! Redundant starting model cleared. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=3.873 mas, bmaj=70.54 mas, bpa=-20.23 degrees ! Estimated noise=2.26321 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=100 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.0437527 Jy ! Component: 100 - total flux cleaned = 0.0515951 Jy ! Total flux subtracted in 100 components = 0.0515951 Jy ! Clean residual min=-0.005861 max=0.005899 Jy/beam ! Clean residual mean=0.000062 rms=0.002273 Jy/beam ! Combined flux in latest and established models = 0.0515951 Jy ! Performing phase self-cal ! Adding 16 model components to the UV plane model. ! The established model now contains 16 components and 0.0515951 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.054738Jy sigma=0.643163 ! Fit after self-cal, rms=0.054241Jy sigma=0.636755 ! Inverting map print "============== Finished uniform weighting clean ===============" ! ============== Finished uniform weighting clean =============== ! uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. win_mult = win_mult * 1.6 clean_niter = clean_niter * 2 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.539 mas, bmaj=62.48 mas, bpa=-20.13 degrees ! Estimated noise=1.93769 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.00486837 Jy ! Component: 100 - total flux cleaned = 0.0038974 Jy ! Component: 150 - total flux cleaned = 0.002591 Jy ! Component: 200 - total flux cleaned = 0.00176937 Jy ! Total flux subtracted in 200 components = 0.00176937 Jy ! Clean residual min=-0.001964 max=0.001936 Jy/beam ! Clean residual mean=0.000025 rms=0.000738 Jy/beam ! Combined flux in latest and established models = 0.0533644 Jy ! Performing phase self-cal ! Adding 49 model components to the UV plane model. ! The established model now contains 65 components and 0.0533644 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.053433Jy sigma=0.622970 ! Fit after self-cal, rms=0.053434Jy sigma=0.621461 ! Inverting map print "============== Finished natural weighting clean ==============" ! ============== Finished natural weighting clean ============== ! restore ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.539 x 62.48 at -20.13 degrees (North through East) ! Clean map min=-0.004755 max=0.048836 Jy/beam gscale true ! Performing overall amplitude self-cal ! ! Correcting IF 1. ! Telescope amplitude corrections in sub-array 1: ! FD 0.92 KP 0.84 NL 1.24 PT 1.07 ! ! ! Correcting IF 2. ! Telescope amplitude corrections in sub-array 1: ! FD 0.90 KP 1.11 NL 1.01 PT 1.05 ! ! ! Correcting IF 3. ! Telescope amplitude corrections in sub-array 1: ! FD 1.06 KP 1.12 NL 0.87 PT 0.98 ! ! ! Correcting IF 4. ! Telescope amplitude corrections in sub-array 1: ! FD 1.02 KP 1.02 NL 1.11 PT 0.91 ! ! ! Correcting IF 5. ! Telescope amplitude corrections in sub-array 1: ! FD 1.10 KP 1.02 NL 0.97 PT 1.09 ! ! ! Correcting IF 6. ! Telescope amplitude corrections in sub-array 1: ! FD 0.90 KP 1.27 NL 0.93 PT 0.89 ! ! ! Correcting IF 7. ! Telescope amplitude corrections in sub-array 1: ! FD 0.96 KP 0.86 NL 1.18 PT 0.97 ! ! ! Correcting IF 8. ! Telescope amplitude corrections in sub-array 1: ! FD 0.95 KP 1.13 NL 1.08 PT 0.87 ! ! ! Fit before self-cal, rms=0.053434Jy sigma=0.621461 ! Fit after self-cal, rms=0.055112Jy sigma=0.612632 dynam = dynam - 0.5 flux_cutoff = imstat(rms) * dynam ! Inverting map and beam ! Estimated beam: bmin=4.609 mas, bmaj=61.55 mas, bpa=-20.1 degrees ! Estimated noise=1.93426 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -3.03671e-05 Jy ! Component: 100 - total flux cleaned = -0.000393604 Jy ! Component: 150 - total flux cleaned = -0.000723103 Jy ! Component: 200 - total flux cleaned = -0.000886213 Jy ! Total flux subtracted in 200 components = -0.000886213 Jy ! Clean residual min=-0.000898 max=0.000905 Jy/beam ! Clean residual mean=-0.000000 rms=0.000287 Jy/beam ! Combined flux in latest and established models = 0.0524782 Jy ! Performing phase self-cal ! Adding 46 model components to the UV plane model. ! The established model now contains 109 components and 0.0524782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.054984Jy sigma=0.611542 ! Fit after self-cal, rms=0.055179Jy sigma=0.609370 ! Inverting map selfcal true, true, soltime1 ! Performing amp+phase self-cal over 120 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.055179Jy sigma=0.609370 ! Fit after self-cal, rms=0.055566Jy sigma=0.609061 dynam = dynam - 0.75 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.619 mas, bmaj=61.37 mas, bpa=-20.09 degrees ! Estimated noise=1.92956 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.000607668 Jy ! Component: 100 - total flux cleaned = -0.000716055 Jy ! Component: 150 - total flux cleaned = -0.000668874 Jy ! Component: 200 - total flux cleaned = -0.000668484 Jy ! Total flux subtracted in 200 components = -0.000668484 Jy ! Clean residual min=-0.000829 max=0.000809 Jy/beam ! Clean residual mean=-0.000003 rms=0.000255 Jy/beam ! Combined flux in latest and established models = 0.0518097 Jy selfcal ! Performing phase self-cal ! Adding 38 model components to the UV plane model. ! The established model now contains 146 components and 0.0518097 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.055491Jy sigma=0.608365 ! Fit after self-cal, rms=0.055606Jy sigma=0.607880 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000265354 Jy ! Component: 100 - total flux cleaned = 0.000262188 Jy ! Component: 150 - total flux cleaned = 0.000299357 Jy ! Component: 200 - total flux cleaned = 0.00022396 Jy ! Total flux subtracted in 200 components = 0.00022396 Jy ! Clean residual min=-0.000653 max=0.000666 Jy/beam ! Clean residual mean=-0.000005 rms=0.000229 Jy/beam ! Combined flux in latest and established models = 0.0520337 Jy ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 198 components and 0.0520337 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.055556Jy sigma=0.607397 ! Fit after self-cal, rms=0.055584Jy sigma=0.607274 ! Inverting map selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.055584Jy sigma=0.607274 ! Fit after self-cal, rms=0.056047Jy sigma=0.607111 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=4.631 mas, bmaj=61.28 mas, bpa=-20.09 degrees ! Estimated noise=1.92856 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 3.61696e-05 Jy ! Component: 100 - total flux cleaned = -8.77015e-05 Jy ! Component: 150 - total flux cleaned = -8.96762e-05 Jy ! Component: 200 - total flux cleaned = -0.000137878 Jy ! Total flux subtracted in 200 components = -0.000137878 Jy ! Clean residual min=-0.000407 max=0.000409 Jy/beam ! Clean residual mean=-0.000001 rms=0.000161 Jy/beam ! Combined flux in latest and established models = 0.0518958 Jy selfcal ! Performing phase self-cal ! Adding 58 model components to the UV plane model. ! The established model now contains 245 components and 0.0518958 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056013Jy sigma=0.606799 ! Fit after self-cal, rms=0.056081Jy sigma=0.606716 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 2.3042e-05 Jy ! Component: 100 - total flux cleaned = -2.80865e-05 Jy ! Component: 150 - total flux cleaned = -2.75935e-05 Jy ! Component: 200 - total flux cleaned = -2.68459e-05 Jy ! Total flux subtracted in 200 components = -2.68459e-05 Jy ! Clean residual min=-0.000404 max=0.000401 Jy/beam ! Clean residual mean=-0.000002 rms=0.000151 Jy/beam ! Combined flux in latest and established models = 0.051869 Jy ! Performing phase self-cal ! Adding 64 model components to the UV plane model. ! The established model now contains 306 components and 0.0518689 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056059Jy sigma=0.606513 ! Fit after self-cal, rms=0.056032Jy sigma=0.606340 ! Inverting map ! Added new window around map position (-74.4, -49.2). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000153347 Jy ! Component: 100 - total flux cleaned = 9.88712e-05 Jy ! Component: 150 - total flux cleaned = 6.57559e-06 Jy ! Component: 200 - total flux cleaned = -9.07202e-05 Jy ! Total flux subtracted in 200 components = -9.07202e-05 Jy ! Clean residual min=-0.000618 max=0.000654 Jy/beam ! Clean residual mean=-0.000002 rms=0.000204 Jy/beam ! Combined flux in latest and established models = 0.0517782 Jy ! Performing phase self-cal ! Adding 72 model components to the UV plane model. ! The established model now contains 373 components and 0.0517782 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056016Jy sigma=0.606198 ! Fit after self-cal, rms=0.056017Jy sigma=0.606166 ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. win_mult = win_mult * 1.2 selfcal true, true, soltime2 ! Performing amp+phase self-cal over 20 minute time intervals ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056017Jy sigma=0.606166 ! Fit after self-cal, rms=0.056524Jy sigma=0.606098 clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=5.291 mas, bmaj=58.55 mas, bpa=-19.89 degrees ! Estimated noise=1.86989 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000102355 Jy ! Component: 100 - total flux cleaned = 7.37855e-05 Jy ! Component: 150 - total flux cleaned = 2.74821e-05 Jy ! Component: 200 - total flux cleaned = -3.0324e-05 Jy ! Total flux subtracted in 200 components = -3.0324e-05 Jy ! Clean residual min=-0.000520 max=0.000433 Jy/beam ! Clean residual mean=-0.000004 rms=0.000146 Jy/beam ! Combined flux in latest and established models = 0.0517479 Jy selfcal ! Performing phase self-cal ! Adding 57 model components to the UV plane model. ! The established model now contains 421 components and 0.0517479 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056512Jy sigma=0.606014 ! Fit after self-cal, rms=0.056567Jy sigma=0.605978 flux_cutoff = imstat(rms) * dynam ! Inverting map repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 8.96129e-05 Jy ! Component: 100 - total flux cleaned = 0.000112123 Jy ! Component: 150 - total flux cleaned = 9.34926e-05 Jy ! Component: 200 - total flux cleaned = 5.04878e-05 Jy ! Total flux subtracted in 200 components = 5.04878e-05 Jy ! Clean residual min=-0.000572 max=0.000458 Jy/beam ! Clean residual mean=-0.000004 rms=0.000153 Jy/beam ! Combined flux in latest and established models = 0.0517984 Jy ! Performing phase self-cal ! Adding 40 model components to the UV plane model. ! The established model now contains 447 components and 0.0517984 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056561Jy sigma=0.605925 ! Fit after self-cal, rms=0.056520Jy sigma=0.605781 ! Inverting map ! Added new window around map position (25.2, -36.3). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000130722 Jy ! Component: 100 - total flux cleaned = 0.000238605 Jy ! Component: 150 - total flux cleaned = 0.00027502 Jy ! Component: 200 - total flux cleaned = 0.000130856 Jy ! Total flux subtracted in 200 components = 0.000130856 Jy ! Clean residual min=-0.000388 max=0.000374 Jy/beam ! Clean residual mean=-0.000002 rms=0.000119 Jy/beam ! Combined flux in latest and established models = 0.0519292 Jy ! Performing phase self-cal ! Adding 66 model components to the UV plane model. ! The established model now contains 512 components and 0.0519292 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056499Jy sigma=0.605553 ! Fit after self-cal, rms=0.056511Jy sigma=0.605517 ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. win_mult = win_mult / 1.2 print "============== Finished amplitude self-cal ==============" ! ============== Finished amplitude self-cal ============== restore ! Inverting map and beam ! Estimated beam: bmin=4.643 mas, bmaj=61.19 mas, bpa=-20.08 degrees ! Estimated noise=1.93192 mJy/beam. ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.643 x 61.19 at -20.08 degrees (North through East) ! Clean map min=-0.0044675 max=0.048413 Jy/beam if(peak(flux) > thresh) selfcal true, true clean clean_niter,clean_gain selfcal flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam selfcal new_peak = peak(flux) until(new_peak<=flux_cutoff) selfcal true, true end if print "============== Clearing model and starting over ==========" ! ============== Clearing model and starting over ========== clrmod true ! clrmod: Cleared the established and tentative models. uvw 2,-1 ! Uniform weighting binwidth: 2 (pixels). ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=3.945 mas, bmaj=69.06 mas, bpa=-20.2 degrees ! Estimated noise=2.28597 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.041197 Jy ! Component: 100 - total flux cleaned = 0.0425963 Jy ! Component: 150 - total flux cleaned = 0.0415282 Jy ! Component: 200 - total flux cleaned = 0.0422527 Jy ! Total flux subtracted in 200 components = 0.0422527 Jy ! Clean residual min=-0.006802 max=0.007514 Jy/beam ! Clean residual mean=0.000035 rms=0.001514 Jy/beam ! Combined flux in latest and established models = 0.0422526 Jy uvw 0,-1 ! Uniform weighting is not currently selected. ! Gridding weights will be scaled by errors raised to the power -1. ! Radial weighting is not currently selected. flux_cutoff = imstat(rms) * dynam ! Adding 71 model components to the UV plane model. ! The established model now contains 71 components and 0.0422526 Jy ! Inverting map and beam ! Estimated beam: bmin=4.643 mas, bmaj=61.19 mas, bpa=-20.08 degrees ! Estimated noise=1.93192 mJy/beam. repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 7.83665e-05 Jy ! Component: 100 - total flux cleaned = -0.000550269 Jy ! Component: 150 - total flux cleaned = 0.000179968 Jy ! Component: 200 - total flux cleaned = 0.00100611 Jy ! Total flux subtracted in 200 components = 0.00100611 Jy ! Clean residual min=-0.001947 max=0.002725 Jy/beam ! Clean residual mean=0.000014 rms=0.000516 Jy/beam ! Combined flux in latest and established models = 0.0432587 Jy ! Adding 76 model components to the UV plane model. ! The established model now contains 146 components and 0.0432587 Jy ! Inverting map uvtaper 0.3,taper_size ! Gaussian taper: value 0.3 at UV radius = 40 mega-wavelengths. clean clean_niter,clean_gain ! Inverting map and beam ! Estimated beam: bmin=5.291 mas, bmaj=58.55 mas, bpa=-19.89 degrees ! Estimated noise=1.86989 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000877616 Jy ! Component: 100 - total flux cleaned = 0.00171243 Jy ! Component: 150 - total flux cleaned = 0.00257496 Jy ! Component: 200 - total flux cleaned = 0.00315789 Jy ! Total flux subtracted in 200 components = 0.00315789 Jy ! Clean residual min=-0.001185 max=0.001479 Jy/beam ! Clean residual mean=0.000002 rms=0.000275 Jy/beam ! Combined flux in latest and established models = 0.0464166 Jy flux_cutoff = imstat(rms) * dynam repeat if (peak(flux) > flux_cutoff) peakwin win_mult clean clean_niter,clean_gain flux_cutoff = imstat(rms) * dynam keep new_peak = peak(flux) until(new_peak<=flux_cutoff) ! Added new window around map position (71.1, 76.5). ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = 0.000199799 Jy ! Component: 100 - total flux cleaned = 0.000457887 Jy ! Component: 150 - total flux cleaned = 0.000774845 Jy ! Component: 200 - total flux cleaned = 0.000735148 Jy ! Total flux subtracted in 200 components = 0.000735148 Jy ! Clean residual min=-0.000739 max=0.000796 Jy/beam ! Clean residual mean=-0.000005 rms=0.000232 Jy/beam ! Combined flux in latest and established models = 0.0471518 Jy ! Adding 71 model components to the UV plane model. ! The established model now contains 213 components and 0.0471518 Jy ! Inverting map uvtaper 0,0 ! No UV-taper is currently set. clean ! Inverting map and beam ! Estimated beam: bmin=4.643 mas, bmaj=61.19 mas, bpa=-20.08 degrees ! Estimated noise=1.93192 mJy/beam. ! clean: niter=200 gain=0.03 cutoff=0 ! Component: 050 - total flux cleaned = -0.00010358 Jy ! Component: 100 - total flux cleaned = 0.000256458 Jy ! Component: 150 - total flux cleaned = 0.000539815 Jy ! Component: 200 - total flux cleaned = 0.000834027 Jy ! Total flux subtracted in 200 components = 0.000834027 Jy ! Clean residual min=-0.000640 max=0.000478 Jy/beam ! Clean residual mean=0.000002 rms=0.000187 Jy/beam ! Combined flux in latest and established models = 0.0479858 Jy selfcal ! Performing phase self-cal ! Adding 55 model components to the UV plane model. ! The established model now contains 267 components and 0.0479858 Jy ! ! Correcting IF 1. ! ! Correcting IF 2. ! ! Correcting IF 3. ! ! Correcting IF 4. ! ! Correcting IF 5. ! ! Correcting IF 6. ! ! Correcting IF 7. ! ! Correcting IF 8. ! ! Fit before self-cal, rms=0.056550Jy sigma=0.605804 ! Fit after self-cal, rms=0.056603Jy sigma=0.605466 wmodel J2251-3827_C_map.mod ! Writing 267 model components to file: J2251-3827_C_map.mod wobs J2251-3827_C_uvs.fits ! Writing UV FITS file: J2251-3827_C_uvs.fits wwins J2251-3827_C_map.win ! wwins: Wrote 3 windows to J2251-3827_C_map.win x = (field_size-8) * field_cell / 4 addwin -x,x,-x,x clean (field_size*4),0.01 ! Inverting map ! clean: niter=4096 gain=0.01 cutoff=0 ! Component: 050 - total flux cleaned = 3.67763e-05 Jy ! Component: 100 - total flux cleaned = 5.83292e-05 Jy ! Component: 150 - total flux cleaned = 3.86088e-05 Jy ! Component: 200 - total flux cleaned = 3.63461e-07 Jy ! Component: 250 - total flux cleaned = -3.70604e-05 Jy ! Component: 300 - total flux cleaned = -7.37191e-05 Jy ! Component: 350 - total flux cleaned = -9.17174e-05 Jy ! Component: 400 - total flux cleaned = -0.000100602 Jy ! Component: 450 - total flux cleaned = -0.000100662 Jy ! Component: 500 - total flux cleaned = -0.000109738 Jy ! Component: 550 - total flux cleaned = -0.000127885 Jy ! Component: 600 - total flux cleaned = -0.000127746 Jy ! Component: 650 - total flux cleaned = -0.000136865 Jy ! Component: 700 - total flux cleaned = -0.000136897 Jy ! Component: 750 - total flux cleaned = -0.000146345 Jy ! Component: 800 - total flux cleaned = -0.000146296 Jy ! Component: 850 - total flux cleaned = -0.000146522 Jy ! Component: 900 - total flux cleaned = -0.000136576 Jy ! Component: 950 - total flux cleaned = -0.000136651 Jy ! Component: 1000 - total flux cleaned = -0.000136374 Jy ! Component: 1050 - total flux cleaned = -0.00014732 Jy ! Component: 1100 - total flux cleaned = -0.000147259 Jy ! Component: 1150 - total flux cleaned = -0.000135563 Jy ! Component: 1200 - total flux cleaned = -0.000147926 Jy ! Component: 1250 - total flux cleaned = -0.000148233 Jy ! Component: 1300 - total flux cleaned = -0.000121274 Jy ! Component: 1350 - total flux cleaned = -0.000107354 Jy ! Component: 1400 - total flux cleaned = -7.82966e-05 Jy ! Component: 1450 - total flux cleaned = -4.78485e-05 Jy ! Component: 1500 - total flux cleaned = -1.58649e-05 Jy ! Component: 1550 - total flux cleaned = 5.13744e-07 Jy ! Component: 1600 - total flux cleaned = 5.26142e-05 Jy ! Component: 1650 - total flux cleaned = 5.28335e-05 Jy ! Component: 1700 - total flux cleaned = 5.2757e-05 Jy ! Component: 1750 - total flux cleaned = 9.19962e-05 Jy ! Component: 1800 - total flux cleaned = 5.01132e-05 Jy ! Component: 1850 - total flux cleaned = 7.17077e-05 Jy ! Component: 1900 - total flux cleaned = 4.90554e-05 Jy ! Component: 1950 - total flux cleaned = 7.27422e-05 Jy ! Component: 2000 - total flux cleaned = 7.23996e-05 Jy ! Component: 2050 - total flux cleaned = 9.91777e-05 Jy ! Component: 2100 - total flux cleaned = 0.000127953 Jy ! Component: 2150 - total flux cleaned = 0.000127829 Jy ! Component: 2200 - total flux cleaned = 0.000158548 Jy ! Component: 2250 - total flux cleaned = 0.000192583 Jy ! Component: 2300 - total flux cleaned = 0.000192296 Jy ! Component: 2350 - total flux cleaned = 0.000227773 Jy ! Component: 2400 - total flux cleaned = 0.000305308 Jy ! Component: 2450 - total flux cleaned = 0.000306124 Jy ! Component: 2500 - total flux cleaned = 0.000392102 Jy ! Component: 2550 - total flux cleaned = 0.000438232 Jy ! Component: 2600 - total flux cleaned = 0.000487202 Jy ! Component: 2650 - total flux cleaned = 0.000537403 Jy ! Component: 2700 - total flux cleaned = 0.000590108 Jy ! Component: 2750 - total flux cleaned = 0.000646118 Jy ! Component: 2800 - total flux cleaned = 0.000765702 Jy ! Component: 2850 - total flux cleaned = 0.000765147 Jy ! Component: 2900 - total flux cleaned = 0.00089848 Jy ! Component: 2950 - total flux cleaned = 0.000968326 Jy ! Component: 3000 - total flux cleaned = 0.00111741 Jy ! Component: 3050 - total flux cleaned = 0.00119993 Jy ! Component: 3100 - total flux cleaned = 0.00120175 Jy ! Component: 3150 - total flux cleaned = 0.00137714 Jy ! Component: 3200 - total flux cleaned = 0.00156746 Jy ! Component: 3250 - total flux cleaned = 0.0016671 Jy ! Component: 3300 - total flux cleaned = 0.00176642 Jy ! Component: 3350 - total flux cleaned = 0.00198603 Jy ! Component: 3400 - total flux cleaned = 0.00210179 Jy ! Component: 3450 - total flux cleaned = 0.00234719 Jy ! Component: 3500 - total flux cleaned = 0.00247558 Jy ! Component: 3550 - total flux cleaned = 0.00275046 Jy ! Component: 3600 - total flux cleaned = 0.00304543 Jy ! Component: 3650 - total flux cleaned = 0.00320034 Jy ! Component: 3700 - total flux cleaned = 0.00352873 Jy ! Component: 3750 - total flux cleaned = 0.00370057 Jy ! Component: 3800 - total flux cleaned = 0.00406996 Jy ! Component: 3850 - total flux cleaned = 0.00426638 Jy ! Component: 3900 - total flux cleaned = 0.00467333 Jy ! Component: 3950 - total flux cleaned = 0.00488832 Jy ! Component: 4000 - total flux cleaned = 0.00534222 Jy ! Component: 4050 - total flux cleaned = 0.00583901 Jy ! Total flux subtracted in 4096 components = 0.00609541 Jy ! Clean residual min=-0.013550 max=0.013426 Jy/beam ! Clean residual mean=-0.000022 rms=0.004582 Jy/beam ! Combined flux in latest and established models = 0.0540812 Jy keep ! Adding 173 model components to the UV plane model. ! The established model now contains 433 components and 0.0540812 Jy ![Exited script file: /opt64/bin/pima_mupet_01.dfm] wmap .//J2251-3827_C_map.fits ! Inverting map ! restore: Substituting estimate of restoring beam from last 'invert'. ! Restoring with beam: 4.643 x 61.19 at -20.08 degrees (North through East) ! Clean map min=-0.027975 max=0.041213 Jy/beam ! Writing clean map to FITS file: .//J2251-3827_C_map.fits wmodel .//J2251-3827_C_map.mod ! Writing 433 model components to file: .//J2251-3827_C_map.mod wobs .//J2251-3827_C_uvs.fits ! Writing UV FITS file: .//J2251-3827_C_uvs.fits wwins .//J2251-3827_C_map.win ! wwins: Wrote 4 windows to .//J2251-3827_C_map.win float peak_flux peak_flux = peak(flux,max) print "The peak flux is", peak_flux ! The peak flux is 0.0412126 invert ! Inverting map float image_rms image_rms = imstat(rms) print "The final image rms is",image_rms ! The final image rms is 0.00501199 loglevs 100*3*image_rms/peak_flux ! The new contour levels are: ! -36.4839 36.4839 72.9678 print "clev= ", int(3*image_rms*10000)/10000 ! clev= 0.015 print "peak= ", int(1000*peak_flux)/1000 ! peak= 0.041 print "dyn_range= ", int(1000*peak_flux/image_rms)/1000 ! dyn_range= 8.222 quit ! Quitting program ! Log file .//J2251-3827_C_dfm.log closed on Mon Jan 20 19:23:05 2020